maximum ratings @ t a = 25 c unless otherwise specified characteristic symbol value unit peak pulse power dissipation (non repetitive current pulse derated above t a = 25 c) (note 1) p pk 400 w peak forward surge current, 8.3ms single half sine wave superimposed on rated load (jedec method) (notes 1, 2, & 3) i fsm 30 a steady state power dissipation @ t l = 75 c pm (av) 1.0 w instantaneous forward voltage @ i pp = 30a (notes 1, 2, & 3) v f 3.5 v operating temperature range t j -55 to +150 c storage temperature range t stg -55 to +175 c 400w peak pulse power dissipation 5.0v - 170v standoff voltages glass passivated die construction uni- and bi-directional versions available excellent clamping capability fast response time plastic material: ul flammability classification rating 94v-0 mechanical data case:jedec sod-123fl molded plastic body terminals: solderable per mil-std-750, method 2026 polarity indicator: cathode band (note: bi-directional devices have no polarity indicator.) marking: date code and marking code see page 3 weight: 0.064 grams (approx.) ordering info: see page 3 notes: 1. valid provided that terminals are kept at ambient temperature. 2. measured with 8.3ms single half sine-wave. duty cycle = 4 pulses per minute maximum. 3. unidirectional units only. smf5.0(c)a thru smf170(c)a transient voltage suppressor standoff voltage: 5.0-170 volts peak pulse power: 200 watts devices for bidirectional applications for bidirectional use suffix a or ca for types smf5.0a thru smf170a (e.g. smf5.0ca,SMF170CA) electrical characteristics apply in both directions. feature sod-123fl 2.8 0.1 1. 8 0.1 cathode band top view 3.7 0.2 0.6 0.25 1. 3 0.15 0.20 0.10 dimensions in millimeters 1.0 0.2 ?????????? p a g e 1 d o c u m e n t i d i s s u e d d a t e r e v i s e d d a t e r e v i s i o n p a g e . d s - 2 4 1 1 3 2 2 0 0 8 / 0 2 / 1 0 2 0 1 0 / 0 6 / 1 0 b 3 h t t p : / / w w w. f o r m o s a m s . c o m / t e l : 8 8 6 - 2 - 2 2 6 9 6 6 6 1 fa x : 8 8 6 - 2 - 2 2 6 9 6 1 4 1 m?w3 f m s k i n t e r 1 3 1 6 8 0 3 0 0 5 8
part number add c for bi-directional (note 4) reverse standoff voltage breakdown voltage v br @ i t (note 5) test current max. reverse leakage @ v rwm (note 6) max. clamping voltage @ i pp max. peak pulse current i pp marking code v rwm (v) min (v) max (v) i t (ma) i r ( a) v c (v) (a) bi- uni- smf5.0(c)a 5.0 6.40 7.25 10 800 9.2 21.7 te ke smf6.0(c)a 6.0 6.67 7.37 10 800 10.3 19.4 tg kg smf6.5(c)a 6.5 7.22 7.98 10 500 11.2 17.9 kk tk smf7.0(c)a 7.0 7.78 8.60 10 200 12.0 16.7 tm km smf7.5(c)a 7.5 8.33 9.21 1.0 100 12.9 15.5 tp kp smf8.0(c)a 8.0 8.89 9.83 1.0 50 13.6 14.7 tr kr smf8.5(c)a 8.5 9.44 10.4 1.0 10 14.4 13.9 tt kt smf9.0(c)a 9.0 10.0 11.1 1.0 5.0 15.4 13.0 tv kv smf10(c)a 10 11.1 12.3 1.0 5.0 17.0 11.8 tx kx smf11(c)a 11 12.2 13.5 1.0 5.0 18.2 11.0 tz kz smf12(c)a 12 13.3 14.7 1.0 5.0 19.9 10.1 ue le smf13(c)a 13 14.4 15.9 1.0 5.0 21.5 9.3 ug lg smf14(c)a 14 15.6 17.2 1.0 5.0 23.2 8.6 uk lk smf15(c)a 15 16.7 18.5 1.0 5.0 24.4 8.2 um lm smf16(c)a 16 17.8 19.7 1.0 5.0 26.0 7.7 up lp smf17(c)a 17 18.9 20.9 1.0 5.0 27.6 7.2 ur lr smf18(c)a 18 20.0 22.1 1.0 5.0 29.2 6.8 ut lt smf20(c)a 20 22.2 24.5 1.0 5.0 32.4 6.2 uv lv smf22(c)a 22 24.4 26.9 1.0 5.0 35.5 5.6 ux lx smf24(c)a 24 26.7 29.5 1.0 5.0 38.9 5.1 uz lz smf26(c)a 26 28.9 31.9 1.0 5.0 42.1 9.5 ve me smf28(c)a 28 31.1 34.4 1.0 5.0 45.4 8.8 vg mg smf30(c)a 30 33.3 36.8 1.0 5.0 48.4 8.3 vk mk smf33(c)a 33 36.7 40.6 1.0 5.0 53.3 7.5 vm mm smf36(c)a 36 40.0 44.2 1.0 5.0 58.1 6.9 vp mp smf40(c)a 40 44.4 49.1 1.0 5.0 64.5 6.2 vr mr smf43(c)a 43 47.8 52.8 1.0 5.0 69.4 5.7 vt mt smf45(c)a 45 50.0 55.3 1.0 5.0 72.7 5.5 vv mv smf48(c)a 48 53.3 58.9 1.0 5.0 77.4 5.2 vx mx smf51(c)a 51 56.7 62.7 1.0 5.0 82.4 4.9 vz mz smf54(c)a 54 60.0 66.3 1.0 5.0 87.1 4.6 we ne smf58(c)a 58 64.4 71.2 1.0 5.0 93.6 4.3 wg ng smf60(c)a 60 66.7 73.7 1.0 5.0 96.8 4.1 wk nk smf64(c)a 64 71.1 78.6 1.0 5.0 103 3.9 wm nm smf70(c)a 70 77.8 86.0 1.0 5.0 113 3.5 wp np smf75(c)a 75 83.3 92.1 1.0 5.0 121 3.3 wr nr smf78(c)a 78 86.7 95.8 1.0 5.0 126 2.2 wt nt smf85(c)a 85 94.4 104 1.0 5.0 137 2.9 wv nv smf90(c)a 90 100 111 1.0 5.0 146 2.7 wx nx smf100(c)a 100 111 123 1.0 5.0 162 2.5 wz nz smf110(c)a 110 122 135 1.0 5.0 177 2.3 xe pe smf120(c)a 120 133 147 1.0 5.0 193 2.0 xg pg smf130(c)a 130 144 159 1.0 5.0 209 1.9 xk pk smf150(c)a 150 167 185 1.0 5.0 243 1.6 xm pm smf160(c)a 160 178 197 1.0 5.0 259 1.5 xp pp smf170(c)a 170 189 209 1.0 5.0 275 1.4 xr pr notes: 4. suffix c denotes bi-directional device. 5. v br measured with i t current pulse = 300 s 6. for bi-directional devices having v rwm of 10v and under, the i r is doubled. smf5.0(c)a thru smf170(c)a transient voltage suppressor ?????????? p a g e 2 d o c u m e n t i d i s s u e d d a t e r e v i s e d d a t e r e v i s i o n p a g e . d s - 2 4 1 1 3 2 2 0 0 8 / 0 2 / 1 0 2 0 1 0 / 0 6 / 1 0 b 3 h t t p : / / w w w. f o r m o s a m s . c o m / t e l : 8 8 6 - 2 - 2 2 6 9 6 6 6 1 fa x : 8 8 6 - 2 - 2 2 6 9 6 1 4 1 m?w3 f m s k i n t e r 1 3 1 6 8 0 3 0 0 5 8
10 100 1000 10000 1 10 100 1000 c , junction capacitance (pf) t v , standoff voltage (v) wm fi g .2 t y pical total capacitance t = 25 c j unidirectional bidirectional 10 x 1000 waveform as defined by rea 0 25 50 75 100 125 150 175 200 100 75 50 25 0 t , ambient temperature ( c) a fi g . 1 pulse deratin g curve peak pulse derating in % of peak power or current 012 3 100 50 0 i , peak pulse current (%i ) ppp peak value i pp half value i /2 pp 10 x 1000 waveform as defined by r.e.a. t p t, time (ms) fi g . 4 pulse waveform 0.1 1.0 0.1 10 100 1.0 10 1000 10000 t=25 c j p , peak pulse power (kw) d 100 non repetitive pulse waveform showninfig.4 0.0 0.2 0.4 0.6 025 50 75 100 125 150 175 200 pm steady state power dissipation (w) (av), t , lead temperature ( c) l fi g . 6 stead y state power deratin g curve 0.8 1.0 60hz resistive or inductive load 0 60 50 40 30 20 10 2 5 10 peak forward surge current, (a) number of cycles at 60hz fi g . 5 maximum non-repetitive sur g e current 20 50 100 1 pulse width 8.3ms single half-sine-wave (jedec method) smf5.0(c)a thru smf170(c)a transient voltage suppressor ?????????? p a g e 3 d o c u m e n t i d i s s u e d d a t e r e v i s e d d a t e r e v i s i o n p a g e . d s - 2 4 1 1 3 2 2 0 0 8 / 0 2 / 1 0 2 0 1 0 / 0 6 / 1 0 b 3 h t t p : / / w w w. f o r m o s a m s . c o m / t e l : 8 8 6 - 2 - 2 2 6 9 6 6 6 1 fa x : 8 8 6 - 2 - 2 2 6 9 6 1 4 1 m?w3 f m s k i n t e r 1 3 1 6 8 0 3 0 0 5 8
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